AU131633B2 - Improvements in parallel rulers - Google Patents

Improvements in parallel rulers

Info

Publication number: AU131633B2
Authority: AU; Australia
Prior art keywords: parallel rulers; rulers; parallel
Prior art date: 1946-12-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

AU8896/46A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ALAN LYON WILKINSON

Original Assignee

ALAN LYON WILKINSON

Filing date

1946-12-20

Publication date

1947-11-20

1946-12-20 Application filed by ALAN LYON WILKINSON filed Critical ALAN LYON WILKINSON

1947-11-20 Application granted granted Critical

1947-11-20 Publication of AU889646A publication Critical patent/AU889646A/en

1947-11-20 Publication of AU131633B2 publication Critical patent/AU131633B2/en

Status Expired legal-status Critical Current

Links

AU8896/46A 1946-12-20 Improvements in parallel rulers Expired AU131633B2 (en)

Publications (2)

Publication Number	Publication Date
AU889646A AU889646A (en)	1947-11-20
AU131633B2 true AU131633B2 (en)	1947-11-20

Family

ID=

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